The list of product versions compatible with OpenVMS VAX V6.2 is
included in the OpenVMS V6.2 Release Notes, appendix D.
The most recent version of the OpenVMS Layered Product Public Rollout
Schedule is available from a Digital software support representative.
(The schedule undergoes regular updates.)
Also look at the software rollout report located at url
http://h71000.www7.hp.com/openvms/os/swroll/index.html